I need help identifying these weird “circles” forming on my shark tank walls and floor. The algae seems to be disappearing in the area. I thought it might be caused by the aptasia eating nudibranch but I never see any day or night
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Looks like it could be early signs of coralline algae to me. But wait until others chime in, as I am no expert.I need help identifying these weird “circles” forming on my shark tank walls and floor. The algae seems to be disappearing in the area. I thought it might be caused by the aptasia eating nudibranch but I never see any day or night
The largest circle on the wall grew 4” in diameter overnightLooks like it could be early signs of coralline algae to me. But wait until others chime in, as I am no expert.
The previous circles are gone and now I have spiral like designs about 12” around.The largest circle on the wall grew 4” in diameter overnight